eth2 Stuck At 100MB

(Doc ID 2313199.1)

Last updated on OCTOBER 02, 2017

Applies to:

Exadata X4-2 Half Rack - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

eth2 which is part of bondeth0 is only coming up at 100Mb. eth1 which is also part of bondeth0 is running at the expected speed of 1000Mb.

 

#ethtool eth1
Settings for eth1:
Supported ports: [ TP ]
Supported link modes: 100baseT/Full <-------------------NiICSupported Speeds 100,1000,10000
1000baseT/Full
10000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 100baseT/Full <---------------NIC advertising speeds of  100, 1000, 10000
1000baseT/Full
10000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 1000Mb/s<-------------------------------------Expected Speed
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: external
Auto-negotiation: on
MDI-X: Unknown
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes

# ethtool eth2
Settings for eth2:
Supported ports: [ TP ]
Supported link modes: 100baseT/Full<-------------------NIC Supported Speeds 100,1000,10000
1000baseT/Full
10000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 100baseT/Full<---------------NIC advertising speeds of 100, 1000, 10000
1000baseT/Full
10000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 100Mb/s <------------------------------Current link speed dropped to 100Mb
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: external
Auto-negotiation: on
MDI-X: Unknown
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes

 

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms